Overview
The TPS73201DBVR is a high-performance, low-dropout (LDO) voltage regulator produced by Texas Instruments. This device is designed to provide stable and reliable power supply solutions, particularly in applications where low noise and high accuracy are crucial. The TPS73201DBVR operates using an NMOS pass transistor in a voltage-follower configuration, ensuring ultra-low dropout voltage and excellent load transient response. It is available in various package options, including the SOT-23 (DBV) package with 5 pins.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 1.7 | 5.5 | V | |
| Output Voltage Range | 1.2 | 5 | V | |
| Output Current | 0 | 250 | mA | |
| Dropout Voltage (Typical at 250mA) | 40 | 150 | mV | |
| Output Noise Voltage (10Hz to 100kHz) | 27 | μVRMS | ||
| Initial Accuracy | 0.5% | % | ||
| Overall Accuracy (Line, Load, and Temperature) | 1% | % | ||
| Shutdown Current | 0.02 | 1 | μA | |
| Thermal Shutdown Temperature | 160 | °C | ||
| Operating Junction Temperature Range | -40 | 125 | °C |
Key Features
- Stable operation with no output capacitor or any value or type of capacitor.
- Ultra-low dropout voltage: 40mV typical at 250mA.
- Excellent load transient response—with or without optional output capacitor.
- Low noise: 27μVRMS typical (10Hz to 100kHz).
- High accuracy: 0.5% initial accuracy and 1% overall accuracy (line, load, and temperature).
- Low reverse leakage current due to NMOS topology.
- Thermal shutdown and specified min and max current limit protection.
- Available in fixed and adjustable output voltage versions.
- Low shutdown current: less than 1μA.
- Noise reduction pin (NR) for additional noise reduction.
Applications
- Portable and battery-powered equipment.
- Post-regulation for switching supplies.
- Noise-sensitive circuitry such as VCOs (Voltage-Controlled Oscillators).
- Point of load regulation for DSPs, FPGAs, ASICs, and microprocessors.
Q & A
- What is the input voltage range of the TPS73201DBVR?
The input voltage range is from 1.7V to 5.5V.
- What is the typical dropout voltage at 250mA?
The typical dropout voltage is 40mV at 250mA.
- Does the TPS73201DBVR require an output capacitor for stability?
No, the TPS73201DBVR is stable with no output capacitor or any value or type of capacitor.
- What is the noise level of the TPS73201DBVR?
The output noise voltage is typically 27μVRMS in the 10Hz to 100kHz bandwidth.
- What are the thermal protection features of the TPS73201DBVR?
The device features thermal shutdown and specified min and max current limit protection.
- How accurate is the TPS73201DBVR?
The device has an initial accuracy of 0.5% and an overall accuracy of 1% (line, load, and temperature).
- What is the shutdown current of the TPS73201DBVR?
The shutdown current is less than 1μA.
- What are the typical applications of the TPS73201DBVR?
Typical applications include portable and battery-powered equipment, post-regulation for switching supplies, noise-sensitive circuitry, and point of load regulation for DSPs, FPGAs, ASICs, and microprocessors.
- How does the noise reduction pin (NR) function?
The noise reduction pin (NR) allows for additional reduction of the output noise by connecting an external noise-reduction capacitor from the NR pin to ground.
- What are the available package options for the TPS73201DBVR?
The device is available in SOT-23 (DBV), SOT-223 (DCQ), and VSON (DRB) packages.
